10261398 has 64 divisors (see below), whose sum is σ = 24675840. Its totient is φ = 2784000.

The previous prime is 10261393. The next prime is 10261423. The reversal of 10261398 is 89316201.

10261398 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10261393) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101548 + ... + 101648.

It is an arithmetic number, because the mean of its divisors is an integer number (385560).

Almost surely, 2^10261398 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10261398, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12337920).

10261398 is an abundant number, since it is smaller than the sum of its proper divisors (14414442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10261398 is a wasteful number, since it uses less digits than its factorization.

10261398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 10261398 is about 3203.3416926703. The cubic root of 10261398 is about 217.3045621852.

Adding to 10261398 its reverse (89316201), we get a palindrome (99577599).

The spelling of 10261398 in words is "ten million, two hundred sixty-one thousand, three hundred ninety-eight".